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Choose us, we will provide high-quality ASTM A178 Welded Carbon Steel Boiler Pipes, ASTM A53 ERW Steel Pipe, ERW Round Steel Tube and Pipe solutions, and also expand your market share, so that you can achieve business success. In the spirit of being highly responsible for consumers, all Straight Seam steel pipe we produce and sell implement a third-party inspection system, and all jewelry has been tested by inspection agencies. First-class technology, excellent quality and experienced and professional talents make our company's products exported to Southeast Asia, South America, Europe and other countries and regions, and have received many praises. Our goal always shines on our way forward and continues to inspire us to move forward. We formulate relevant preferential policies and design career development plans for employees to create a fast track for their growth and equal employment opportunities. Our product portfolio includes a wide range of items, from electronics to fashion accessories. Our company prides itself on offering outstanding after-sales service. We prioritize employee training and development to ensure continuous improvement and expertise.
  • SSAW Pipe
    SSAW Pipe

    SSAW pipe, spiral welded steel pipe, spiral weld steel pipe, SAW steel pipe, Q235 SSAW pipe, Q345 SSAW pipe.

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  • ASTM A500 Square And Rectangular Steel Pipe Fast Shipping
    ASTM A500 Square And Rectangular Steel Pipe Fast Shipping

    Our company specializes in the production of stainless steel pipes, carbon steel pipes, square and rectangular hollow sections, etc.The maximum dimension of our square/rectangular tubes is 650mm,

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  • ASTM A500 Welded Square And Rectangular Steel Pipe
    ASTM A500 Welded Square And Rectangular Steel Pipe

    ASTM A500 welded square and rectangular steel pipes are cold-formed welded carbon structural tubes manufactured in accordance with the ASTM A500 standard. They are produced by high-frequency

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  • ASTM A135 ERW Steel Pipe
    ASTM A135 ERW Steel Pipe

    ASTM A135 Electric-Resistance-Welded Steel Pipe Overview ASTM A135 is a standard for resistance welded steel pipes established by the American Society for Testing and Materials, primarily used for

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  • JIS G3452 SGP Small Diameter Welded Steel Pipe
    JIS G3452 SGP Small Diameter Welded Steel Pipe

    SGP welded steel pipe is made by electric resistance welded process according to JIS G3452 standard. JIS G3452 standard specifies the requirements for carbon steel pipes used for the conveyance of

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  • LSAW Steel Pipes For Low Pressure Liquid Delivery
    LSAW Steel Pipes For Low Pressure Liquid Delivery

    LSAW steel pipes means that longitudinally submerged arc welded steel pipes,it is covered by multiple execution standards, such as API 5L, GB/T 3091, GB/T 9711, ASTM A252 etc. GB/T 3091 LSAW steel

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  • ASTM A135 ERW Steel Pipe
    ASTM A135 ERW Steel Pipe

    ASTM A135 erw steel pipe is a type of steel pipe made by electric resistance welding technology.We offer ASTM A135 Gr.A ERW steel pipe and Gr.B ERW steel pipe fou you.We believe that we can meet your

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  • JIS G3461 Carbon Steel Tubes For Boiler And Heat Exchanger
    JIS G3461 Carbon Steel Tubes For Boiler And Heat Exchanger

    Tubes under the standard of JIS G3461 includes carbon seamless steel tube and ERW(electric resistance welded) with the manufactured method of hot rolled and cold drawn. There are three grades in this

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  • Spiral Welded Pipe SSAW
    Spiral Welded Pipe SSAW

    Spiral welded pipe SSAW is one of the main products produced and exported by Tianjin Wanlei Steel Pipe Co., LTD. spiral welded pipe SSAW has a wide range of applications, involving industry,

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  • ASTM A513 Welded Steel Tubing
    ASTM A513 Welded Steel Tubing

    Scope: This specification covers electric-resistance-welded carbon and alloy steel tubing for use as mechanical tubing. Shape: round, square, rectangular and special shape tubing Length:

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  • API 5L PSL2 X52 ERW Steel Pipe
    API 5L PSL2 X52 ERW Steel Pipe

    Our company exports API 5L PSL1/PSL2 X42/X46/X52/X56/X60/X65/X70 ERW steel pipes, seamless steel pipes, LSAW steel pipes, spiral welded steel pipe and pipe fittings. As per your request, standard and

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  • ASTM A139 electric resistance welded steel pipe
    ASTM A139 electric resistance welded steel pipe

    This specification covers five grades of electric -fusion (arc)-welded straight-seam or spiral-seam steel pipe in NPS 4 to 92

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After receiving the goods, we were very satisfied, got to know your company better, and found that you always adhere to the corporate philosophy of good faith, and we appreciate this attitude.
Rob Baker star star star star star
The product is very solid, the chassis is stable, and it is still stable after the materials are placed. It will not topple, which solves the problem of disorderly placement.
Linda Woods star star star star star
The supplier's installation was fast, the service attitude was very good, and they also patiently instructed how to use it and the daily maintenance in the future. I am very satisfied.
Frances Jackson star star star star star
If you're a fan of classic styles, this is a good place to look. The styles in their store are classic and the quality is very good.
Jack Hallam star star star star star
The quality of the product is very good, beyond our expectation, exactly the same as in your brochure, our boss is very satisfied.
Roger Monette star star star star star
This company has been pursuing the quality first, integrity-based business purposes for many years. Especially in recent years, with the rapid development of the company and the implementation of the
What are the manufacturing processes of straight seam steel pipes?...

WebStraight seam steel pipes can be divided into high-frequency straight seam steel pipes (ERW steel pipes) and submerged arc welded straight seam steel pipes (SSAW steel...

Different types and appearance requirements of straight seam …...

WebRequirements for the appearance of straight seam steel pipe: 1. No cracks, unfused, pores, slag inclusions, and splashes are allowed. 2. The welding seam surface of...

Straight seam steel pipe - Threeway Steel Co.,Ltd....

WebJun 25, 2023 · Straight seam steel pipe high-frequency welding process 5.1 Control of weld gap The strip steel is sent into the welded pipe unit, and rolled by multiple rollers, the strip steel is...

Standard Specification for Electric-Fusion (Arc)-Welded Steel …...

WebSep 20, 2022 · This specification covers five grades of electric-fusion (arc)-welded straight-seam or helical steel pipe including pipe of NPS 4 and over. The required chemical...

What are the Inspection Methods of ERW Straight …...

WebJun 11, 2020 · The selection principle of the surface non-destructive testing method for straight seam steel pipes: for ferromagnetic material steel pipes, magnetic particle testing should be...

LSAW Welded Steel Pipe Features and Manufacturing …...

WebLSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the...

Since its establishment, our company has been committed to the research and development of Spiral Steel Pipe Plant, Galvanized Steel Tubes For Building Material related technologies, has set up a special team to continuously carry out technological innovation, and is committed to strengthening the technical level of the domestic industry. In addition, modern production and processing equipment enable our output to meet the needs of our customers. Equipped with advanced facilities, Tianjin Wanlei Steel Pipe Co., Ltd. is one of the professional straight seam steel pipe manufacturers and suppliers in China. Under strict quality control and management system, we can assure the high quality of our products. Please be free to buy straight seam steel pipe with our factory.

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